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CN109906338A - Lighting device - Google Patents

Lighting device Download PDF

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Publication number
CN109906338A
CN109906338A CN201780068193.6A CN201780068193A CN109906338A CN 109906338 A CN109906338 A CN 109906338A CN 201780068193 A CN201780068193 A CN 201780068193A CN 109906338 A CN109906338 A CN 109906338A
Authority
CN
China
Prior art keywords
light
layer
lighting device
optical
conversion module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201780068193.6A
Other languages
Chinese (zh)
Other versions
CN109906338B (en
Inventor
林义真
李东炫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Innotek Co Ltd
Original Assignee
LG Innotek Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020160146660A external-priority patent/KR102818808B1/en
Priority claimed from KR1020170002977A external-priority patent/KR102795369B1/en
Application filed by LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of CN109906338A publication Critical patent/CN109906338A/en
Application granted granted Critical
Publication of CN109906338B publication Critical patent/CN109906338B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69—Details of refractors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

In an embodiment, a lighting device is disclosed, comprising: a light conversion module comprising one surface and another surface; and a light source module disposed on a side surface of the light conversion module, wherein the light source module includes a plurality of light emitting elements disposed to be spaced apart in a first direction, the first direction being a thickness direction of the light conversion module, and at least one of the plurality of light emitting elements is disposed to be higher than the one surface of the light conversion module in the first direction.

Description

Lighting device
Technical field
Embodiment is related to a kind of lighting device for being arranged for carrying out linear light.
Background technique
In general, lighting device is a kind of device for being configured so that various light sources and illuminating dark place.Lighting device is also used In illuminating certain objects or place, and atmosphere is showed with desired shape or color.
Recently, due to the development of light emitting diode (LED) technology, using various types of lighting devices of LED just general And.For example, conventional illuminator include LED light source and being configured as spread the light that emits from LED light source with by the light emitting to External diffuser plate.
Most of conventional illuminators are configured as emitting uniform light to entire light-emitting area.In addition, for the phase of showing Hope the atmosphere of shape or color, some traditional lighting devices use colour filter or optical filter, and each colour filter or optical filter are equal Optical communication port with intended shape.
However, the configuration of device becomes machine when using conventional illuminator with desired shape or color performance atmosphere Tool is complicated, therefore, it is desirable to which the design freedom of shape is restricted and is difficult to install or operate.As described above, Structure of need The simple and lighting device that is easily installed or operates shows atmosphere or the optical imagery with intended shape or color.
In addition, in some traditional technologies, propose it is a kind of by added on light guide plate such as diffuser plate, prismatic lens, The lighting device of the optical sheets such as screening glass and the surface light emitting performance with raising.
However, using LED light source conventional illuminator due to light guide plate itself thickness and reduce product total thickness Degree aspect has limitation.In addition, the material of light guide plate is not flexible, it is dfficult to apply to the shell of refraction or applications. In addition, conventional illuminator has the shortcomings that be not easy to carry out product design and design modification due to light guide plate.
Therefore, it is necessary to a kind of such method, such as indoor and outdoors illumination, car lighting can be readily applied to Deng various application products, and desired optical imagery can be effectively realized.
Summary of the invention
Technical problem
Embodiment is intended to provide a kind of curved lighting device that can adjust linear light.
In addition, embodiment is intended to provide a kind of three-dimensional lighting device that thickness is small.
In addition, embodiment is intended to provide a kind of such lighting device, which can be by making to include printing electricity There is flexibility to improve the freedom degree of product design and ensure reliability for road plate or the lighting device of optical component itself.
In addition, embodiment is intended to provide a kind of such lighting device, the lighting device can in such as general lighting, set Count the optical imagery realized in the various lighting areas such as illumination, car lighting and there is stereoscopic effect of various shapes.
In addition, embodiment is intended to provide a kind of lighting device that luminous intensity is improved.
In addition, embodiment is intended to provide a kind of lighting device that can be realized stereo-picture of various shapes.
Technical solution
One aspect of the present invention provides a kind of lighting device, comprising: light conversion module, the smooth conversion module include One surface and another surface；And light source module, the light source module are arranged on the side surface of the smooth conversion module, Wherein, the light source module includes a plurality of light-emitting elements, and the multiple light-emitting component is arranged to be spaced each other in a first direction It opens, the first direction is the thickness direction of the smooth conversion module, and at least one of the multiple light-emitting component is sent out Optical element is arranged to be higher than one surface of the smooth conversion module in said first direction.
The smooth conversion module may include: basal substrate；Optical waveguide layer, the optical waveguide layer are arranged in the basal substrate On；And reflectogram pattern layer, the reflectogram pattern layer are arranged between the basal substrate and the optical waveguide layer.
The reflectogram pattern layer may include multiple optical designs, and the multiple optical design can with from described The side that the direction of travel of the light of a plurality of light-emitting elements transmitting is vertical upwardly extends.
At least one described light-emitting component in the multiple light-emitting component can be set into towards the smooth conversion module The side surface.
It can be with from the light for being positioned to emit higher than the light-emitting component of the smooth conversion module in said first direction It is incident on the upper surface of the smooth conversion module.
The reflectogram pattern layer may include: reflecting layer, and the reflecting layer is arranged in the basal substrate and the leaded light Between layer；And optical layer, the optical layer are arranged between the reflecting layer and the optical waveguide layer and including described in Reflecting layer multiple optical designs outstanding.
The lighting device may include the separation unit being arranged between the reflecting layer and the optical layer.
The reflectogram pattern layer may include: optical layer, and the optical layer is arranged in the basal substrate and the leaded light Between layer and including multiple optical designs；And reflecting layer, the reflecting layer are arranged on the multiple optical design.
The light source module may include: first light source module, and the first light source module includes first circuit board and sets Set a plurality of light-emitting elements on the first circuit board；And second light source module, the second light source module include second Circuit board and a plurality of light-emitting elements being arranged on the second circuit board, and the first circuit board and the second circuit The extending direction of each of plate can have predetermined angular.
Beneficial effect
According to embodiment, the bending of adjustable linear light.
Furthermore, it is possible to manufacture the lesser three-dimensional lighting device of thickness.
Furthermore it is possible to manufacture lighting device flexible.
Furthermore it is possible to manufacture such lighting device, which can be in such as general lighting, design illumination, vehicle The optical imagery with stereoscopic effect of various shapes is realized in illumination etc. in various lighting areas.
In addition, luminous intensity can be improved according to embodiment.Therefore, embodiment can be used as matching for car light satisfaction Europe Light rule.
Furthermore it is possible to manufacture the lighting device that can be realized stereo-picture of various shapes.
Various useful advantages and effect of the invention are not limited to above content, and are describing exemplary reality of the invention It can be relatively easily understood during applying example.
Detailed description of the invention
Fig. 1 is the concept map of lighting device according to an embodiment of the present invention.
Fig. 2 a is the view for describing the curved principle of the light of the height according to light-emitting component.
Fig. 2 b is the picture for showing the linear light emitted from the light-emitting component with different height.
Fig. 3 a is the picture for the light emitted from two light-emitting components with different height observed from front.
Fig. 3 b is the picture for the light emitted from two light-emitting components with different height observed from 60 ° of angles.
Fig. 3 c is the picture for the light emitted from two light-emitting components with different height observed from 75 ° of angles.
Fig. 4 is the picture for the lighting device according to an embodiment of the present invention observed from front.
Fig. 5 is the view of lighting device according to an embodiment of the present invention viewed from above.
Fig. 6 is the view for showing the state that light conversion module is removed in Fig. 5.
Fig. 7 a is the picture for the stereo-picture realized by lighting device according to an embodiment of the present invention observed from front.
Fig. 7 b is the picture for the stereo-picture realized by lighting device according to an embodiment of the present invention being observed from the right.
Fig. 7 c be from left sides to the stereo-picture realized by lighting device according to an embodiment of the present invention picture.
Fig. 8 is the view for showing the back light of motorcycle according to an embodiment of the present invention.
Fig. 9 is the concept map of lighting device according to an embodiment of the present invention.
Figure 10 is the cross-sectional view in the light source portion in Fig. 9.
Figure 11 is the image of the linear light of the lighting device transmitting from Fig. 9.
Figure 12 is the view for showing the beam angle of light of the lighting device transmitting from Fig. 9.
Figure 13 is the view for showing the beam angle of light of the light-emitting component transmitting from Fig. 9.
Figure 14 is the modification of the converter section in Fig. 9.
Figure 15 is the concept map of lighting device according to another embodiment of the present invention.
Figure 16 is the perspective view in the light source portion in Figure 15.
Figure 17 is the view in the light source portion from Figure 15 that the direction R1 is observed.
Figure 18 is the image of the linear light of the lighting device transmitting from Figure 15.
Figure 19 is the view for showing the beam angle of light of the lighting device transmitting from Figure 15.
Figure 20 is the concept map of the lighting device of another embodiment according to the present invention.
Figure 21 is the view in the light source portion from Figure 20 that the direction R1 is observed.
Specific embodiment
Embodiment, which can be revised as other forms or some embodiments, to be combined, and the scope of the present invention not office It is limited to the embodiment being described below.
Although being not described in project described in specific embodiment in another embodiment, these projects can be with It is understood to description relevant to other embodiments, opposite with these projects or what is contradicted retouches unless having in other embodiments It states.
For example, the feature of configuration A and the in another embodiment feature of description configuration B ought be described in a particular embodiment When, even if the feature of the configuration is understood to when not disclosing wherein configuration A clearly and configuring the embodiment of B combination It falls within the scope of the present invention, unless there is description that is opposite or contradicting.
In describing the embodiments of the present, when an element is disclosed as being formed in another element " up or down ", term " on Under or " include the case where two elements be in direct contact with one another and between two elements to be formed it is (indirect) setting it is at least another The case where a element.In addition, when expressing term " up or down ", can also include relative to element upward direction and to The meaning in lower direction.
Below in reference to attached drawing detailed description of the present invention embodiment, so that those skilled in the art can easily implement The embodiment of the present invention.
Fig. 1 is the concept map of lighting device according to an embodiment of the present invention, and Fig. 2 a is for describing according to light-emitting component The view of the curved principle of the light of height, Fig. 2 b are the figures for showing the linear light emitted from the light-emitting component with different height Piece.
Referring to Fig.1, lighting device according to the embodiment includes: light conversion module 100, and light conversion module 100 includes one Surface P1 and another surface；And light source module 200, light source module 200 are arranged on the side surface of light conversion module 100.
Light source module 200 includes circuit board 210 and is arranged to the multiple hairs being separated from each other in (Y-direction) in a first direction Optical element 201,202 and 203.Circuit board 210 can be set on the side surface of light conversion module 100 and prolong in a first direction It stretches.A plurality of light-emitting elements 201,202 and 203 can be set to be separated from each other along a first direction.Here, first direction can be with It is the thickness direction of light conversion module 100 or the direction with level-crossing.
Although describing light source module 200 in Fig. 1 and light conversion module 100 being arranged to example perpendicular to one another, The present invention need not be confined to this.For example, light source module 200 and light conversion module 100 may be arranged so that 200 He of light source module Angle between light conversion module 100 can be less than 90 °.That is, the angle can suitably adjust, so that from light source die The light of the light source transmitting of block 200 can be incident on light conversion module 100 to be observed with observed person.
The spacing of a plurality of light-emitting elements 201,202 and 203 is not particularly limited.For example, a plurality of light-emitting elements 201,202 and 203 spacing in a first direction can be 5mm to 50mm.The interval of linear light becomes too small, thus when spacing is less than or waits When 5mm, it is difficult to feel cube effect, and be spaced and increase too much, thus when spacing is greater than 50mm, it may be difficult to uniformly Realize stereo-picture in ground.
According to embodiment, at least one of a plurality of light-emitting elements 201,202 and 203 be can be set into a first direction Higher than a surface P1 of light conversion module 100.
In addition, at least one of a plurality of light-emitting elements 201,202 and 203 can be set into towards light conversion module 100 A surface.
For example, the side surface towards light conversion module 100 can be set into the first light-emitting component 201 arranged at the bottom, And the second light-emitting component 202 and third light-emitting component 203 can be set into is higher than light conversion module 100 in a first direction.
The light L1 emitted from the first light-emitting component 201 can be incident on the side surface of light conversion module 100.Another party Face, the light L2 emitted from the second light-emitting component 202 and third light-emitting component 203 can be incident on one of light conversion module 100 On the P1 of surface.
The light L2 emitted from the second light-emitting component 202 and third light-emitting component 203 can be longer by one than the first light-emitting component 201 A light L2 is incident on the distance on the upper surface of light conversion module.That is, as light-emitting component is arranged higher, optical path Length increases.
Light conversion module 100 includes: the first basal substrate 110；Optical waveguide layer 150, optical waveguide layer 150 are arranged in the first substrate base On plate 110；And reflectogram pattern layer 180, reflectogram pattern layer 180 are arranged between the first basal substrate 110 and optical waveguide layer 150.
First basal substrate 110 can be the substrate with predetermined thickness.First basal substrate 110 can be arranged to prop up Support the substrate of light conversion module 100.First basal substrate 110 can be made of plastic material, but need not be confined to this.First base Substrate 110 can be bracket.
Optical waveguide layer 150 may include transparent substrate.Optical waveguide layer 150 may include having 2% or smaller mist degree (haze) Plate or membranaceous transparent component.In addition, the light transmittance of optical waveguide layer 150 can be greater than or equal to 80%, but not limited to this.
When realizing linear light, cubic light or three-dimensional linear light, according to linear light or stereoscopic effect with intended shape Optical imagery, the light transmittance of optical waveguide layer 150 can be selected as to about 60% or bigger.When the light transmittance of optical waveguide layer 150 is less than When 60%, it may be difficult to suitably show linear light or cubic light.
Optical waveguide layer 150 can have a surface and another surface.When optical waveguide layer 150 is plate or film, a table Face and another surface can have two surfaces, other surface phases on each surface in two surfaces and optical waveguide layer 150 Than having relatively bigger area, and two surfaces are generally parallel to each other.One surface can be shining for transmitting light Surface.
Optical waveguide layer 150 may include glass, resin etc..Thermoplastic polymer, light curable polymer etc. may be used as leaded light The material of layer 150.Specifically, the material of optical waveguide layer 150 can be polycarbonate, polymethyl methacrylate, polystyrene, gather Ethylene glycol terephthalate etc., but not limited to this.
The thickness of optical waveguide layer 150 can be in the range of 100 μm to 250 μm.In this case, optical waveguide layer 150 can be with With the flexibility for being suitable for suitably being wrapped in around tourelle.In addition, the thickness of optical waveguide layer 150 can according to embodiment In the range of 250 μm to 10mm.In this case, optical waveguide layer 150 is difficult to be wrapped in around tourelle, therefore guide-lighting Layer 150 can be applied to applied product and with plate.Protective layer can be set on optical waveguide layer 150.Protective layer It can be polyethylene terephthalate (PET) film.
Reflectogram pattern layer 180 may include: reflecting layer 120, and reflecting layer 120 is arranged in the first basal substrate 110 and leaded light Between layer 150；And optical layer 140, optical layer 140 are arranged between reflecting layer 120 and optical waveguide layer 150 and including multiple figures Case 141, multiple patterns 141 are configured as prominent towards reflecting layer 120.In such a case, it is possible in reflecting layer 120 and optics Separation unit 130 is formed between layer 140.Other than separation unit 130 can be defined as the space in addition to being provided with adhesive phase 170 Spare space.The reflection efficiency of incident light can increase because of separation unit 130, and can have the linear of sense of depth in favor of realizing Light.
Reflecting layer 120 can be coating or reflectance coating.In embodiment, reflecting layer 120 can be planar reflective film, but not It must be confined to this.
When using reflecting layer 120, reflected by the multiple patterns 141 for the optical layer 140 that will be described below and reflect with The light for the outside for then proceeding to optical waveguide layer 150 across a surface of optical waveguide layer 150 can be reflected to be reflected to again In optical waveguide layer 150.
According to the configuration, the optical imagery of the linear light for being expected that by optical layer 140 to show or three-dimensional linear light can be obtained To change, more clearly to express the optical imagery.
When reflecting layer 120 is arranged, the interval of separation unit 130 can be designed to be greater than zero and be less than or equal to several microns. There is provided above content is to be difficult to realize from optical layer 140 due to the undesirable light scattering at separation unit 130 in order to prevent The case where linear light or three-dimensional linear light.Certainly, another surface of close optical waveguide layer 150 can be set into reflecting layer 120, with Omit the separation unit 130 according to embodiment.
Reflectogram pattern layer 180 may include the multiple patterns 141 arranged in third direction (X-direction), and multiple figures Case 141 can be on the direction (Z-direction) vertical with the direction of travel of light emitted from a plurality of light-emitting elements 201,202 and 203 Extend.Therefore, incident light can be reflected by vertical pattern 141 in an upward direction, it is continuous to be realized on third direction Linear light (linear light).
Multiple patterns 141 can be convexly formed towards reflecting layer 120a and have inclined surface 141a.Pattern 141 Inclined surface 141a will successively can be emitted to the outside of optical waveguide layer 150 from the incident light of the internal reflection of optical waveguide layer 150.
Inclined surface 141a can limit the diffusing reflection of incident light, and control incident light and incident light is hardly returned To incidence angle.That is, inclined surface 141a can refraction by incident light and regular reflection (regular Reflection incident light) is guided in a predetermined direction.
In embodiment, multiple patterns 141 are described as being formed in individual optical layer 140, but not limited to this, and It can be formed directly on another surface of optical waveguide layer 150.
In addition, the pattern 141 of optical layer 140 can be prominent towards optical waveguide layer 150, and reflecting layer 120 can be set Between optical layer 140 and optical waveguide layer 150.Therefore, reflecting layer 120 can have concaveconvex shape along pattern 141.
According to above-mentioned configuration, the light moved in optical waveguide layer 150 (incident light) can be by multiple patterns of optical layer 140 141 reflections and refraction, and lighting device can realize first orthogonal with the extending direction of multiple patterns 141 by guidance light The linear light (linear light) in path.
It is refracted with the inclined surface 141a of each pattern 141 of optical layer 140 light to meet according to its incidence angle or instead It penetrates.That is, the light across optical waveguide layer 150 is refracted according to the difference of refractive index when incidence angle is less than critical angle θ c, with It advances while passing through a surface or pattern 141.In addition, passing through leaded light when incidence angle is greater than or equal to critical angle θ c The light of layer 150 is reflected from the inclined surface 141a on a surface or pattern 141.
It therefore, can be in optical layer 140 when using being sequentially arranged and there is multiple patterns 141 of inclined surface 141a Upper performance linear light or three-dimensional linear light.When designing the extending direction of multiple patterns 141 in a desired direction, optics is passed through The optical path of the incident light of layer 140 is restricted to the path (first path) vertical with the extending direction of each pattern 141, and can To guide successively transmitting of the incident light on the direction of first surface on the first path, thus can by the width of incident light and Luminous intensity is controlled in desired shape.
Here, linear light can refer to, according to reference point or the position of point of observation, the light of the light of first path than peripheral region Seem relatively clearer light beam.
The extending direction (Z-direction) of pattern is the direction or and nauropemeter that the particular line on inclined surface 141a extends The direction that the specific tangent line of curvilinear contact on the 141a of face extends.The extending direction of pattern is designed to limit and guide from by light The optical path of the light of the sending of the light source on multiple patterns 141, i.e. first path are irradiated to desired direction.That is, pattern The extending direction of 141 inclined surface 141a be disposed generally parallel to the layout surface of pattern and with first path just The side of friendship upwardly extends.
A referring to Figures 1 and 2, the light emitted from light-emitting component are rolled over by the refringence between optical waveguide layer 150 and air It penetrates.Here, θAIt is the light incidence angle on the detector emitted from optical waveguide layer, θdIt is the angle between module centers and detector Degree, θnIt is the anaclasis angle in optical waveguide layer, OC is the distance from light source to module centers, and OA is launched from module centers to light To the distance of the point of air.
In this case, the light emitted from the second light-emitting component 202 being arranged on light conversion module 100 has optical path AC, optical path AC are greater than the optical path of the light of the first light-emitting component 201 transmitting from the side surface that light conversion module 100 is arranged in. Therefore, because there is relatively small θ from the light that the second light-emitting component 202 and third light-emitting component 203 emitn, so bending Reduce.
Referring to Fig. 2 b, as get Geng Gao is arranged from the upper surface of light conversion module 100 in light-emitting component, the bending of linear light subtracts It is small.For example, the first linear light LS1 for emitting of the first light-emitting component 201 from the side surface that light conversion module is arranged in can be with Bending is most.The the second linear light LS2 emitted from the second light-emitting component 202 being arranged on light conversion module is bent to obtain ratio first Linear light LS1 is small.In addition, the third linear light LS3 bending emitted from the third light-emitting component 203 being arranged in from highest level is most It is few.In this case, the end N1 of the first linear light LS1, the second linear light LS2 and third linear light LS3 can phases each other It meets.Therefore, using the height of adjustment light-emitting component described above to realize the linear light with various curvature.
Fig. 3 a is the picture for the light emitted from two light-emitting components with different height observed from front, and Fig. 3 b is The picture for the light emitted from two light-emitting components with different height observed from 60 ° of angles, Fig. 3 c is observed from 75 ° of angles From with different height two light-emitting components emit light picture.
Referring to Fig. 3 a, the side surface of light conversion module 100 and the second light-emitting component are set in the first light-emitting component 201 In the case that 202 are arranged to than the high 10mm of the first light-emitting component 201, when viewed from the front, emit from the first light-emitting component 201 Light 1 and from the second light-emitting component 202 emit light 2 can be located at almost the same position.
However, when viewed from the side, eyes according to the observation confirmed to shine from second as shown in Fig. 3 b and Fig. 3 c The second big macrobending of linear light LS2 that element 202 emits, also, according to the refractive index of resin, it is sent out from the first light-emitting component 201 The inclination angle of the first linear light LS1 penetrated has about 42 ° of limit value.That is, it is thus identified that when light-emitting component is disposed above When light conversion module 100, as shown in Figure 2 b, the bending of the first linear light LS1 under predetermined angular (about 42 °) or more low-angle compared with Greatly, still, when at a predetermined angle or when greater angle inclined angle observation, the bending angle of the second linear light LS2 is larger.
Fig. 4 is the picture for the lighting device according to an embodiment of the present invention observed from front, and Fig. 5 is viewed from above Lighting device according to an embodiment of the present invention view, Fig. 6 be show in Fig. 5 remove light conversion module state view Figure.
Referring to fig. 4 to fig. 6, light source module 200 includes 211 He of first circuit board being arranged on the second basal substrate 220 Second circuit board 212.Semi-circular groove 222 is formed in the second basal substrate 220, and is fixed with 221 shape of slit of circuit board At in the outer peripheral surface of slot 222.Therefore, the angle, θ 2 between first circuit board 211 and second circuit board 212 is adjustable.
A plurality of light-emitting elements 201,202 and 203 can be set every in first circuit board 211 and second circuit board 212 On one.In this case, first light-emitting component 201 of each of first circuit board 211 and second circuit board 212 can To be arranged at the side surface of light conversion module 100.In addition, Cheng can be set in the second light-emitting component and third light-emitting component It is higher than a surface P1 of light conversion module 100 on one direction (Y-direction).
In this case, the second light-emitting component 202 and third light-emitting component 203, which can be set into, is higher than light conversion module 100, to realize the linear light with the curve different from the curve of linear light generated by the first light-emitting component 201.
Fig. 7 a is the picture for the stereo-picture realized by lighting device according to an embodiment of the present invention observed from front, Fig. 7 b is the picture for the stereo-picture realized by lighting device according to an embodiment of the present invention observed from front, Fig. 7 c be from The picture for the stereo-picture realized by lighting device according to an embodiment of the present invention that front is observed.
Referring to Fig. 7 a to Fig. 7 c, the light emitted from a plurality of light-emitting elements 201,202 and 203, which can be formed, to be bent upwards and gathers Collect the cubic light in upper center-side N1.When viewed from the side, stereo-picture can be more three-dimensional.
Fig. 8 is the view for showing the back light of motorcycle according to an embodiment of the present invention.
The lighting device of embodiment is not limited to the illumination of vehicle, and can be used as flexible membranous lighting device and be applied to peace The inside and outside curvature portion or bending part of the target such as building, facility, furniture equipped with illumination.In this feelings Under condition, outer lens 510 can be optical guidance portion, (in optical component, optical guidance portion, stereoscopic effect are formed optical component Portion and reflecting part combine) and/or be configured to support the support member or shell in light source portion.In this case, outer lens 510 It can have the light transmittance or transparency more than or equal to predeterminated level, so that externally visibly inside it.
Referring to Fig. 8, the lighting device of embodiment may be used as the taillight of sulky vehicle (motorcycle 1000).
Fig. 9 is the concept map of lighting device according to an embodiment of the present invention, and Figure 10 is the cross-sectional view in the light source portion in Fig. 9, Figure 11 is the image of the linear light of the lighting device transmitting from Fig. 9, and Figure 12 is the light for showing the lighting device transmitting from Fig. 9 Beam angle view, Figure 13 be show from Fig. 9 light-emitting component transmitting light beam angle view.
Referring to Fig. 9 and Figure 10, lighting device according to the embodiment includes: the first plate 310；Second plate 320；It is arranged first Converter section 330 on plate 310；And the light source portion 314 for emitting light on the second plate 320 towards converter section 330 is set.
The structure of first plate 310 and the second plate 320 is not particularly limited, as long as they can support converter section 330 and light Source portion 314.For example, the first plate 310 and the second plate 320 can be the bracket of car light, but it need not be confined to this.First plate 310 and second plate 320 can integrally manufacture.
Converter section 330 may include the reflecting layer 322 being arranged on the first plate 310 and be arranged on reflecting layer 322 Optical picture pattern layer 321.The light L1 that converter section 330 can be used for emit from light source is converted to linear light.Linear light can turn Changing on the thickness direction (Y-direction) in portion 330 has cube effect (depth).That is, observer can identify linearly Image becomes farther or closer when moving in one direction.
Reflecting layer 322 can be set on a surface of the first plate 310.Reflecting layer 322 may include with high reflection The material of efficiency, to reflect the light emitted from light source portion 314.Due to reflecting layer 322, lighting device can reduce light loss and More clearly show three-dimensional linear light.
Dispersedly can be used in reflecting layer 322 comprising the synthetic resin of white pigment, with increase light reflection characteristic and Promote the characteristic of the dispersion of light.For example, white pigment may include titanium oxide, aluminium oxide, zinc oxide, carbonate, barium sulfate, carbon Sour calcium etc..The material of synthetic resin may include polyethylene terephthalate, polyethylene naphthalate, acrylic acid, Polycarbonate, polystyrene, polyolefin, cellulose acetate, weatherability vinyl chloride etc., but not limited to this.In another embodiment, Reflecting layer 322 can wrap argentiferous (Ag), aluminium (Al), stainless steel etc..
Optical picture pattern layer 321 may include multiple optical design 321a, and multiple optical design 321a are configured in second party Extend in (Z-direction) and is separated from each other in third direction (X-direction).Optical design 321a can be in second direction On set gradually, or be arranged to be separated from each other at a predetermined interval.Optical design 321a can have in second direction (Z axis Direction) on the semi-cylindrical form that extends, but need not be confined to this.For example, the cross section of optical design 321a can have prism Shape.
Light source part 314 may include: the substrate 311 being arranged on the first plate 310；It is arranged on substrate 311 at least One light-emitting component 312；And it is configured to collect the reflector 313 of the light emitted from light-emitting component 312.
Substrate 311 can be the circuit board that can apply external power to light-emitting component 312.For example, in substrate 311, Circuit pattern can be formed in ceramic body, but need not be confined to this.
Light-emitting component 312 can be light emitting diode or Organic Light Emitting Diode.Light-emitting component 312, which can emit, has indigo plant The light of color wave-length coverage, green color wavelength range or red wavelength range.Selectively, the wavelength conversion layer of such as phosphor is not ( Show) it can be set on light-emitting component 312.
Interior angle θ 1 between first plate 310 and the second plate 320 can be in the range of 10 ° to 80 °, so that light-emitting component 312 can be by light radiation to optical picture pattern layer 321.When angle, θ 1 is less than 10 °, too close optics is arranged to obtain in light-emitting component 312 Pattern layer 321, it is thus possible to can not from external observation to light, and when angle, θ 1 be greater than 80 ° when, the optical axis of light-emitting component 312 is not It is incident in optical picture pattern layer 321, it is thus possible to can not be from external observation to light.
Light-emitting component 312 may be arranged so that the second direction that the light emitted from it can extend with optical design 321a (Z-direction) intersects.Therefore, intersect from the light that most of light-emitting components 312 emit with second direction (Z-direction).Observer's observation The light advanced on the third direction (X-direction) vertical with second direction (Z-direction) from the light that light-emitting component 312 emits.When When the interval of optical design 321a is sufficiently small, observer can observe linear image.Referring to Fig.1 1, increase at a distance from light source Add, observer can feel the sense of depth increasingly remoter apart from eyes.
Reflector 313 can be used for collecting the light emitted from light-emitting component 312.According to embodiment, sent out from light-emitting component 312 The light penetrated can be incident in optical picture pattern layer 321, be reflected to reflecting layer 322 again then to be launched into outside.Herein In the process, the output of final light can reduce.Above-mentioned light should meet scheduled luminous intensity, for use as the taillight or system of vehicle Dynamic lamp.Therefore, in this embodiment, farthest collected from the light that light-emitting component 312 emits by reflector 313, to improve Luminous intensity.
Different from the reflector 313 of conventional lights, which can improve luminous intensity by reducing beam angle. For example, in reflector 313, the diameter ratio of the diameter of lower end (close to the point of substrate) and upper end can 1:1.2 extremely In the range of 1:3.In the case where meeting above-mentioned condition, luminous intensity can be increased by reducing beam angle.
Referring to Fig.1 2, the beam angle for measuring the light finally emitted from lighting device according to the embodiment is less than or equal to 50 ° (- 22.5 ° to 22.5 °), and luminous intensity is 37.53cd.On the other hand, referring to Fig.1 3, it measures from not having reflector The beam angle for the light that light-emitting component 312 emits is greater than or equal to 120 °, and luminous intensity is 7.586cd.That is, reflection Light in Figure 13 can be converted into the light in Figure 12 by device.
According to embodiment, it is recognised that beam angle reduces and luminous intensity improves by reflector 313.It therefore, can be with Meet the light distribution rule of vehicle using a small amount of LED.
Referring to Fig.1 4, converter section 330 may include reflecting layer 322 and the optical design including multiple optical design 321a Layer 321.In this case, separation unit 324 can be set between reflecting layer 322 and optical picture pattern layer 321.Separation unit 324 It can be defined as the spare space other than the space for being provided with adhesive phase.
Optical picture pattern layer 321 may include multiple optical design 321a.Each of multiple optical design 321a can be with It is convexly formed towards reflecting layer 322 and there is inclined surface.For example, optical design 321a can have prism shape.Inclination Surface can be designed to guide incident light in a predetermined direction by the refraction and regular reflection of incident light.
Figure 15 is the concept map of lighting device according to another embodiment of the present invention.Figure 16 is the saturating of the light source portion in Figure 15 View.Figure 17 is the view in the light source portion from Figure 15 that the direction R1 is observed.Figure 18 is the lighting device transmitting from Figure 15 Linear light image.Figure 19 is the view for showing the beam angle of light of the lighting device transmitting from Figure 15.
5 and Figure 16 referring to Fig.1, lighting device according to another embodiment include: the first plate 310；Second plate 320；Conversion Portion 330, converter section 330 are arranged on the first plate 310；And light source portion 314, light source portion 314 are arranged on the second plate 320 with court Emit light to optical picture pattern layer 321.
Light source portion 314 can include: the substrate 311 on the second plate 320 is set；Light-emitting component on substrate 311 is set 312；And it is configured to collect the reflector 313 of the light emitted from light-emitting component 312.
It, can be in the side parallel with first direction (Y-direction) of thickness direction for the first plate 310 in reflector 313 It is upwardly formed slit S1.Therefore, reflector 313 be segmented into the first reflector 313a being separated from each other and with the second reflector 113b.The light emitted on the direction parallel with thickness direction from the light that light-emitting component 312 emits can pass through slit S1, so It is launched same as before afterwards without being reflected by reflector 313.On the other hand, on the direction vertical with thickness direction (Z-direction) The light of transmitting can be collected by reflector 313, to have the intensity improved.It is thereby achieved that with relatively thick width Linear light.
Referring to Fig.1 7, the ratio between width of the second direction width (Z-direction width) of light-emitting component 312 and slit S can be with In the range of 1:0.8 to 1:3.When the ratio between width is less than 1:0.8 or is greater than 1:3, due in the side parallel with thickness direction The intensity of the light emitted upwards and the intensity of the light emitted on the direction vertical with thickness direction become similar, it may be difficult to real Now with the linear light of thicker width.When the ratio between width is less than 1:0.8 or meets 1:3, may be implemented to have as shown in figure 18 The linear light with thicker width.
Figure 20 is the concept map of the lighting device of the another embodiment of lighting device according to the present invention.Figure 21 is seen from the direction R1 The view in the light source portion in the Figure 20 observed.
In reflector 313, slit S2 can be upwardly formed in the side parallel with second direction (Z-direction).Therefore, it reflects Device 313 is segmented into the first reflector 313c and the second reflector 113d being separated from each other.The light emitted from light-emitting component 312 In the light that emits on the direction parallel with second direction (Z-direction) can be launched same as before without being reflected by reflector 313. On the other hand, the light emitted on the direction parallel with thickness direction can be collected by reflector 313, to have the strong of raising Degree.It is thereby achieved that the linear light with relatively thin width.
The lighting device of embodiment is not limited to the lighting device of vehicle, and can be used as flexible membranous lighting device application In the inside and outside curvature portion or bending part for the target such as building, facility, furniture for being equipped with illumination.At this In the case of kind, outer lens can be optical guidance portion, (in optical component, optical guidance portion, stereoscopic effect are formed optical component Portion and reflecting part combine) and/or be configured to support the support member or shell in light source portion.In this case, outer lens can To have light transmittance or transparency more than or equal to predeterminated level, so that externally visibly inside it.
Although the technical spirit for being described above and showing preferred embodiment to illustrate the present invention, this hair The bright configuration and operation for being not limited to show and describe as described above, and it will be understood by those skilled in the art that not departing from In the case where the range of this technology spirit, various modifications and variations appropriate can be carried out to the present invention.Therefore, all appropriate Modifications and variations and equivalent way should be considered as within the scope of the invention.

Claims (10)

1.一种照明装置，包括：1. A lighting device, comprising: 光转换模块，所述光转换模块包括一个表面和另一个表面；以及a light conversion module including one surface and another surface; and 光源模块，所述光源模块设置在所述光转换模块的侧表面上，a light source module, the light source module is disposed on the side surface of the light conversion module, 其中，所述光源模块包括多个发光元件，所述多个发光元件设置成在第一方向上彼此间隔开，Wherein, the light source module includes a plurality of light-emitting elements, and the plurality of light-emitting elements are arranged to be spaced apart from each other in the first direction, 所述第一方向是所述光转换模块的厚度方向，并且the first direction is the thickness direction of the light conversion module, and 所述多个发光元件中的至少一个发光元件设置成在所述第一方向上高于所述光转换模块的所述一个表面。At least one light emitting element among the plurality of light emitting elements is disposed higher than the one surface of the light conversion module in the first direction. 2.根据权利要求1所述的照明装置，其中，所述光转换模块包括：基底基板；导光层，所述导光层设置在所述基底基板上；以及反射图案层，所述反射图案层设置在所述基底基板和所述导光层之间。2. The lighting device according to claim 1, wherein the light conversion module comprises: a base substrate; a light guide layer provided on the base substrate; and a reflection pattern layer, the reflection pattern A layer is disposed between the base substrate and the light guide layer. 3.根据权利要求2所述的照明装置，其中：3. The lighting device of claim 2, wherein: 所述反射图案层包括多个光学图案；并且the reflective pattern layer includes a plurality of optical patterns; and 所述多个光学图案在与从所述多个发光元件发射的光的行进方向垂直的方向上延伸。The plurality of optical patterns extend in a direction perpendicular to a traveling direction of light emitted from the plurality of light emitting elements. 4.根据权利要求1所述的照明装置，其中，所述多个发光元件中的所述至少一个发光元件设置成面向所述光转换模块的所述侧表面。4. The lighting device of claim 1, wherein the at least one light emitting element of the plurality of light emitting elements is disposed to face the side surface of the light conversion module. 5.根据权利要求1所述的照明装置，其中，从放置成在所述第一方向上高于所述光转换模块的所述发光元件发射的光入射在所述光转换模块的所述一个表面上。5 . The lighting device of claim 1 , wherein light emitted from the light emitting element placed higher than the light conversion module in the first direction is incident on the one of the light conversion modules. 6 . on the surface. 6.根据权利要求2所述的照明装置，其中，所述反射图案层包括：反射层，所述反射层设置在所述基底基板和所述导光层之间；以及光学层，所述光学层设置在所述反射层和所述导光层之间并且包括朝向所述反射层突出的多个光学图案。6. The lighting device according to claim 2, wherein the reflective pattern layer comprises: a reflective layer disposed between the base substrate and the light guide layer; and an optical layer, the optical layer A layer is disposed between the reflective layer and the light guide layer and includes a plurality of optical patterns protruding toward the reflective layer. 7.根据权利要求6所述的照明装置，包括设置在所述反射层和所述光学层之间的分离部。7. The lighting device of claim 6, comprising a separation portion disposed between the reflective layer and the optical layer. 8.根据权利要求2所述的照明装置，其中，所述反射图案层包括：光学层，所述光学层设置在所述基底基板和所述导光层之间并且包括多个光学图案；以及反射层，所述反射层设置在所述多个光学图案上。8. The lighting device of claim 2, wherein the reflective pattern layer comprises: an optical layer disposed between the base substrate and the light guide layer and comprising a plurality of optical patterns; and a reflective layer disposed on the plurality of optical patterns. 9.根据权利要求1所述的照明装置，其中：9. The lighting device of claim 1, wherein: 所述光源模块包括：第一光源模块，所述第一光源模块包括第一电路板和设置在所述第一电路板上的多个发光元件；以及第二光源模块，所述第二光源模块包括第二电路板和设置在所述第二电路板上的多个发光元件；并且The light source module includes: a first light source module including a first circuit board and a plurality of light emitting elements arranged on the first circuit board; and a second light source module, the second light source module including a second circuit board and a plurality of light emitting elements disposed on the second circuit board; and 所述第一电路板和所述第二电路板中的每一个的延伸方向具有预定角度。The extending direction of each of the first circuit board and the second circuit board has a predetermined angle. 10.根据权利要求1所述的照明装置，包括反射器，所述反射器配置为收集从所述发光元件发射的光，10. The lighting device of claim 1, comprising a reflector configured to collect light emitted from the light emitting element, 其中，所述反射器包括在与所述第一方向平行的方向上形成的狭缝。Wherein, the reflector includes a slit formed in a direction parallel to the first direction.
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